program SQRT1;

{$APPTYPE CONSOLE}

type
  SQR = class
  a, b, c: integer;
procedure solve;
end;
procedure SQR.solve;
var
  Dis, x1, x2: real;
  i: integer;
  begin
  i:=0;
  if (a<>0) then
  begin
    Dis:=b*b-4*a*c;
    if (Dis>=0) then
    begin
      x1:=(-b+sqrt(Dis))/2*a;
      x2:=(-b-sqrt(Dis))/2*a;
      writeln(x1, ' ');
    end;
    if (Dis>0) then
    begin
      writeln(x2);
    end else begin
      writeln('no x');
      i:=1;
    end;
    end;
  if (i<>1) then
  begin
    if (a=0) and (b<>0) then
    begin
      write(((-c)/b):0:5);
    end;
    if (b=0) and (c=0) then
    begin
      write('x-any');
      i:=2;
    end;
    if (i<>2) then
    begin
      if (b=0) then
        write('no x');
      end;
    end;
end;
  var
    s: SQR;
  begin
  s:=SQR.Create;
  readln(s.a, s.b, s.c);
  s.solve;
  readln;
end.
